Sensitive periods for abnormal patterning on a leg segment in Drosophila melanogaster
Rouxs Archives of Developmental Biology, ISSN: 0930-035X, Vol: 199, Issue: 1, Page: 31-47
1990
- 21Citations
- 6Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Metrics Details
- Citations21
- Citation Indexes21
- 21
- CrossRef15
- Captures6
- Readers6
Article Description
The development of a leg segment of the fruitfly Drosophila melanogaster was analyzed in order to determine whether the orderliness of the segment's bristle pattern originates via waves of cellular interactions, such as those that organize the retina. Fly development was perturbed at specific times by either teratogenic agents (gamma rays, heat shock, or the drug mitomycin C) or temperature-sensitive mutations (l(1)63, l(1) Notch, or l(1) shibire), and the resulting abnormalities (e.g., missing or extra structures) were mapped within the pattern area. If bristles develop in a linear sequence across the pattern, then they should show sensitivity to perturbations in the same order, and wavefronts of cuticular defects should result. Contrary to this prediction, the maps reveal no evidence for any directional waves of sensitivity. Nevertheless, other clues were uncovered as to the nature and timing of patterning events. Chemosensory bristles show earlier sensitivities than mechanosensory bristles, and longer bristles precede shorter ones. The types and sequence of cuticular abnormalities imply the following stages of bristle pattern development: (1) scattered inception of bristle mother cells, each surrounded by an inhibitory field, (2) alignment of the mother cells into rows, (3) differential mitoses, (4) assignment of cuticular fates to the mitotic progeny, (5) polytenization of the bristle cells, (6) fine-tuning adjustments in bristle spacing, and (7) signalling from bristle cells to adjacent epidermal cells, inducing them to form "bracts". © 1990 Springer-Verlag.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=0025351650&origin=inward; http://dx.doi.org/10.1007/bf01681531; http://www.ncbi.nlm.nih.gov/pubmed/28305528; http://link.springer.com/10.1007/BF01681531; http://www.springerlink.com/index/pdf/10.1007/BF01681531; https://dx.doi.org/10.1007/bf01681531; https://link.springer.com/article/10.1007/BF01681531; http://www.springerlink.com/index/10.1007/BF01681531
Springer Nature
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